The source of the energy produced by the sun is
A) the burning of fossil fuels.
B) the fission of uranium-235.
C) the fusion of primarily hydrogen.
D) unknown.
Question 2
In nuclear fusion,
A) large unstable nuclei are fused together, and then split with the release of binding energy.
B) large, relatively unstable, nuclei are split releasing binding energy.
C) small, relatively stable, nuclei are split releasing binding energy.
D) smaller, relatively stable, nuclei are forced together to create a larger nucleus with the release of binding energy.